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Simplifying
6c2 + -18 = 468
Reorder the terms:
-18 + 6c2 = 468
Solving
-18 + 6c2 = 468
Solving for variable 'c'.
Move all terms containing c to the left, all other terms to the right.
Add '18' to each side of the equation.
-18 + 18 + 6c2 = 468 + 18
Combine like terms: -18 + 18 = 0
0 + 6c2 = 468 + 18
6c2 = 468 + 18
Combine like terms: 468 + 18 = 486
6c2 = 486
Divide each side by '6'.
c2 = 81
Simplifying
c2 = 81
Take the square root of each side:
c = {-9, 9}
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